15 Pictures of Katy Perry's Best Manicure Looks

Happy 27th Birthday, Katy Perry!

Happy birthday, Katy! The singer turns 27 today so to celebrate we're checking out the best of her wacky nail looks — thanks to her Twitter account, we’re given close-up access of her intricate designs. The popstar constantly switches up her style, rocking everything from blindingly bright disco ball-inspired nails to her husband Russell Brand’s face! Most recently she's turned to The Smurfs for inspiration — it’s little wonder OPI decided to collaborate with her! See all her must-have manis up close!